This book constitutes the refereed proceedings of the 10th International Conference on Information Security and Cryptology, ICISC 2007, held in Seoul, Korea, November 29-30, 2007. The papers are organized in topical sections on cryptoanalysis, access control, system security, biometrics, cryptographic protocols, hash functions, block and stream ciphers, copyright protection, smart/java cards, elliptic curve cryptosystems as well as authentication and authorization.